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POHttpURLConnection c = URL.openConnection(); c.setRequestProperty() Doesn't work
 

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  1. POHttpURLConnection c = URL.openConnection(); c.setRequestProperty() Doesn't work
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    <p>This Code here is a normal Java application not an android application, this is designed to send C2DM messages to a device with YOUR_REGISTRATION_STRING as the developer with auth_key, the problem is described below</p> <pre><code>import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStream; import java.net.HttpURLConnection; import java.net.URL; import java.net.URLEncoder; import javax.net.ssl.HostnameVerifier; import javax.net.ssl.HttpsURLConnection; import javax.net.ssl.SSLSession; public class C2DMSendMessage { private final static String AUTH = "authentication"; private static final String UPDATE_CLIENT_AUTH = "Update-Client-Auth"; public static final String PARAM_REGISTRATION_ID = "registration_id"; public static final String PARAM_DELAY_WHILE_IDLE = "delay_while_idle"; public static final String PARAM_COLLAPSE_KEY = "collapse_key"; private static final String UTF8 = "UTF-8"; // Registration is currently hardcoded private final static String YOUR_REGISTRATION_STRING = "APA91bGf8gkFMn_sBP_hosSAiqUmmLwOdIqVSQKbbqXv2WSADQ51gbixInAGUk1U_vDIcz7izVaq6tvu8KXGsiQ7BIKy_7f04id00SUms8h3YGxbsKd6Jjg"; public static void main(String[] args) throws Exception { HttpsURLConnection.setDefaultHostnameVerifier(new HostnameVerifier() { @Override public boolean verify(String arg0, SSLSession arg1) { // TODO Auto-generated method stub return true; } }); String auth_key = "DQAAAA4BAADAb7BDi6KY9pj11ERiY0R1TaEynLK6AtSPxzzIeCih_VDyWLhEJCvmkXjh6gRAsGpLb0wtAGmWIK9CjsBMT3upjnZ86tRYnvfOknkN45ORk29AsR2he-JEo1Y4eVcUutoPnBbIX2kzoEeY2ULYXyOQix7oWSWb4CJS3XYrb7qcmQxMv3yiIAF8kO0Sav7-NspCSI3tV3lISrz_BWqSCVGHWxT6KZ_PZwjH7442CpMfZhOYxsgDanQod8EypHjHmNQK_txWwFeiFj66jsi90BpyPKvUX_ZUbOmSKVZP3gBcKrK9iSnJrSUpLuEN46NGRzl2uBg9I9V-wJuFBgG1aBXqA1oWFdkEewxwXapuVqR1-g"; // Send a sync message to this Android device. StringBuilder postDataBuilder = new StringBuilder(); postDataBuilder.append(PARAM_REGISTRATION_ID).append("=") .append(YOUR_REGISTRATION_STRING); // if (delayWhileIdle) { // postDataBuilder.append("&amp;").append(PARAM_DELAY_WHILE_IDLE) // .append("=1"); // } postDataBuilder.append("&amp;").append(PARAM_COLLAPSE_KEY).append("=") .append("0"); postDataBuilder.append("&amp;").append("data.payload").append("=") .append(URLEncoder.encode("Lars war hier", UTF8)); byte[] postData = postDataBuilder.toString().getBytes(UTF8); // Hit the dm URL. URL url = new URL("https://android.clients.google.com/c2dm/send"); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setDoOutput(true); conn.setUseCaches(false); conn.setRequestMethod("POST"); conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8"); conn.setRequestProperty("Content-Length", Integer.toString(postData.length)); conn.setRequestProperty("Authorization", "GoogleLogin auth=" + auth_key); System.out.println(conn.getRequestProperties()); OutputStream out = conn.getOutputStream(); out.write(postData); out.close(); int responseCode = conn.getResponseCode(); System.out.println(String.valueOf(responseCode)); // Validate the response code if (responseCode == 401 || responseCode == 403) { // The token is too old - return false to retry later, will // fetch the token // from DB. This happens if the password is changed or token // expires. Either admin // is updating the token, or Update-Client-Auth was received by // another server, // and next retry will get the good one from database. System.out.println("Unauthorized - need token"); } // Check for updated token header String updatedAuthToken = conn.getHeaderField(UPDATE_CLIENT_AUTH); if (updatedAuthToken != null &amp;&amp; !auth_key.equals(updatedAuthToken)) { System.out.println("Got updated auth token from datamessaging servers: " + updatedAuthToken); } String responseLine = new BufferedReader(new InputStreamReader( conn.getInputStream())).readLine(); // NOTE: You *MUST* use exponential backoff if you receive a 503 // response code. // Since App Engine's task queue mechanism automatically does this // for tasks that // return non-success error codes, this is not explicitly // implemented here. // If we weren't using App Engine, we'd need to manually implement // this. if (responseLine == null || responseLine.equals("")) { System.out.println("Got " + responseCode + " response from Google AC2DM endpoint."); throw new IOException( "Got empty response from Google AC2DM endpoint."); } String[] responseParts = responseLine.split("=", 2); if (responseParts.length != 2) { System.out.println("Invalid message from google: " + responseCode + " " + responseLine); throw new IOException("Invalid response from Google " + responseCode + " " + responseLine); } if (responseParts[0].equals("id")) { System.out.println("Successfully sent data message to device: " + responseLine); } if (responseParts[0].equals("Error")) { String err = responseParts[1]; System.out.println("Got error response from Google datamessaging endpoint: " + err); // No retry. throw new IOException(err); } } } </code></pre> <p>in the code above i'm attempting to send a C2DM Message but it's irrelevant</p> <pre><code>URL url = new URL("https://android.clients.google.com/c2dm/send"); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setDoOutput(true); conn.setUseCaches(false); conn.setRequestMethod("POST"); conn.setRequestProperty("Content-Type","application/x-www-form-urlencoded;charset=UTF-8"); conn.setRequestProperty("Content-Length",Integer.toString(postData.length)); conn.setRequestProperty("Authorization", "GoogleLogin auth="+ auth_key); System.out.println(conn.getRequestProperties()); </code></pre> <p>in the portion that i have repeated i am attempting to set request properties 3 of them but only 1 ever reaches the hashmap in conn this is the output :</p> <blockquote> <p>{Content-Type=[application/x-www-form-urlencoded;charset=UTF-8]}</p> </blockquote> <p>I don't understand how that code can run if it's on it's own just those lines and not work as part of a bigger code</p> <p>i also tried it with addRequestProperty</p> <p>Thanks in advance</p>
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